I change my fluids every 5,000 miles and been using the Primary fluid ever since it came out and I have never had any problems.
I will use AMSOIL in every Harley that I will ever own.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Primary fluid
By 
JIM, 
a 
Verified Buyer 
on 
October 16, 2023
By 
ROBERT, 
a 
Verified Buyer 
on 
August 27, 2023
Protection and performance is outstanding.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Primary
By 
DEREK, 
a 
Verified Buyer 
on 
August 23, 2023
When I replaced the primary and transmission oil, my bike shifted smooth as silk and couldn’t hear a sound. I can only imagine how well it is lubricating in there. Great product. Highly recommended
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Great!
By 
JASON, 
a 
Verified Buyer 
from 
South Carolina  
on 
August 23, 2023
After running this primary fluid in conjunction with the V Twin engine oil and transmission fluid, my 15 HD Street Glide Special is running smoother than ever. I highly recommend you give it a try.
Bottom Line
Yes, I would recommend this to a friend.
Was this review helpful?
5 star rating
Best out there
By 
ROGER, 
a 
Verified Buyer 
from 
East Tennessee  
on 
August 21, 2023
Replaced primary on my FLTRXS that I purchased used. Immediate improvement and much better performance.
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